Merge "Replace libchrome string_util to libbase strings" into main am: 59630eaaaf

Original change: https://android-review.googlesource.com/c/platform/system/security/+/3272834

Change-Id: I38315110f856d0f74e1037af3094f86f379f6243
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>